"""Compare the two source PDFs against everything stored in PocketBase.

Answers: which stored slot holds which uploaded file, and is anything stored
twice?
"""
import hashlib
import json
import urllib.request
from pathlib import Path

JEI = Path(r"C:\Users\SJ\.minimax-agent\projects\JEI")
env = {}
for line in (JEI / ".env.local").read_text(encoding="utf-8").splitlines():
    line = line.strip()
    if line and not line.startswith("#") and "=" in line:
        k, v = line.split("=", 1)
        env[k.strip()] = v.strip().strip('"').strip("'")
PB = env.get("NEXT_PUBLIC_PB_URL") or env["PB_URL"]
TOK = env["PB_TOKEN"]

LOCAL = {
    "UFC - Shareholders Resolution Director Sune Resigned.pdf":
        r"C:\Users\SJ\.minimax\v2\assets\2026\10\12\13-41-56-012-asset_20261012-134156-012_a0299b3ae338_88b7c484-UFC - Shareholders Resolution Director Sune Resigned.pdf",
    "UFC - Sune Resignation Letter.pdf":
        r"C:\Users\SJ\.minimax\v2\assets\2026\10\12\13-41-56-017-asset_20261012-134156-017_9aec1b4380ba_261a3e6b-UFC - Sune Resignation Letter.pdf",
}

STORED = [
    ("resolution.signed_letter", "pbc_266170881", "e0dbxprazb70rqx", "corrected_v2_avwpnq7o93.pdf"),
    ("resignation.letter", "ysterbaard_director_resignations", "8cfie18uhgy0n0o",
     "resignation_letter_the_ultimate_fuel_company_1jk8t34nf3.pdf"),
    ("resignation.signature", "ysterbaard_director_resignations", "8cfie18uhgy0n0o",
     "tbde1evt2m6_8mz8kutpki.pdf"),
]


def sha(b: bytes) -> str:
    return hashlib.sha256(b).hexdigest()


local = {}
for label, path in LOCAL.items():
    p = Path(path)
    if not p.exists():
        print(f"MISSING LOCAL: {path}")
        continue
    b = p.read_bytes()
    local[label] = (sha(b), len(b))
    print(f"LOCAL  {len(b):>8} B  {sha(b)[:16]}  {label}")

print()

stored = {}
for label, col, rid, fname in STORED:
    url = f"{PB}/api/files/{col}/{rid}/{urllib.parse.quote(fname)}"
    req = urllib.request.Request(url, headers={"Authorization": TOK})
    try:
        with urllib.request.urlopen(req, timeout=120) as r:
            b = r.read()
    except urllib.error.HTTPError as e:
        print(f"STORED FAIL {label}: HTTP {e.code}")
        continue
    stored[label] = (sha(b), len(b))
    print(f"STORED {len(b):>8} B  {sha(b)[:16]}  {label}")

print()
print("=== MATCHES ===")
for slabel, (sh, ssize) in stored.items():
    hits = [l for l, (h, _) in local.items() if h == sh]
    if hits:
        print(f"  {slabel}  ==  {hits[0]}")
    else:
        print(f"  {slabel}  ==  (no local file matches — different document)")

print()
print("=== DUPLICATES AMONG STORED ===")
seen = {}
for slabel, (sh, ssize) in stored.items():
    seen.setdefault(sh, []).append(slabel)
for sh, labels in seen.items():
    if len(labels) > 1:
        print(f"  IDENTICAL ({sh[:16]}, {stored[labels[0]][1]} B): {labels}")
    else:
        print(f"  unique: {labels[0]}")

print()
print("=== LOCAL FILES NOT STORED ANYWHERE ===")
for l, (h, _) in local.items():
    if h not in [s for s, _ in stored.values()]:
        print(f"  {l}  — uploaded copy does not match any stored file")